9780001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 12286080

約数和(自身を除く): 2506079

約数列:

[1, 7, 11, 77, 157, 809, 1099, 1727, 5663, 8899, 12089, 62293, 127013, 889091, 1397143, 9780001]

約数ペア:

[(1, 9780001), (7, 1397143), (11, 889091), (77, 127013), (157, 62293), (809, 12089), (1099, 8899), (1727, 5663)]